:root {
  color-scheme: light;
  --brand-bg: #f7fbff;
  --brand-bg-soft: #e8f0f7;
  --brand-surface: #ffffff;
  --brand-surface-strong: #f1f6fb;
  --brand-line: #c7d5e3;
  --brand-line-strong: #aec1d3;
  --brand-accent: #6f8da8;
  --brand-accent-strong: #40586f;
  --brand-text: #171b21;
  --brand-text-soft: #55616d;
  --brand-shadow: rgba(27, 40, 54, 0.12);
}

html,
body {
  background:
    radial-gradient(circle at top, rgba(226, 238, 248, 0.9), transparent 40%),
    linear-gradient(180deg, #ffffff 0%, var(--brand-bg) 42%, var(--brand-bg-soft) 100%);
  color: var(--brand-text);
}

body {
  min-height: 100vh;
}

a,
p a,
.blog-tags a,
.post-preview .post-read-more,
.navbar-custom .navbar-brand:hover,
.navbar-custom .navbar-brand:focus,
.navbar-custom .nav li a:hover,
.navbar-custom .nav li a:focus,
.post-preview a:focus,
.post-preview a:hover,
footer a:hover,
footer a:focus {
  color: var(--brand-accent-strong);
}

a:hover,
a:focus {
  text-decoration-color: rgba(64, 88, 111, 0.35);
}

::selection,
::-moz-selection {
  background: var(--brand-accent-strong);
}

body,
.navbar-custom .navbar-brand,
.navbar-custom .nav li a,
.post-preview a,
.post-preview .post-meta a,
.post-heading .post-meta a,
.page-meta a,
footer a,
.pager li a,
.disqus-comments button {
  color: var(--brand-text);
}

.navbar-custom,
footer,
.pager li a,
.disqus-comments button,
.header-section.has-img .no-img {
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(12px);
}

.navbar-custom {
  border-bottom: 1px solid var(--brand-line);
  box-shadow: 0 12px 32px -24px var(--brand-shadow);
}

.navbar-custom .nav .navlinks-container:hover,
.navbar-custom .nav .navlinks-container .navlinks-children a,
footer {
  background: var(--brand-surface-strong);
}

.navbar-custom .nav .navlinks-container .navlinks-children a {
  border-color: var(--brand-line);
}

.post-preview,
table tr,
table tr th,
table tr td {
  border-color: var(--brand-line);
}

.post-preview .post-meta,
.post-heading .post-meta,
.page-meta,
blockquote {
  color: var(--brand-text-soft);
}

.intro-header {
  margin-bottom: 30px;
}

.intro-header .page-heading,
.intro-header .post-heading,
.intro-header .tags-heading,
.intro-header .categories-heading {
  color: var(--brand-text);
}

.header-section.has-img .no-img {
  border: 1px solid rgba(199, 213, 227, 0.85);
  border-radius: 24px;
  box-shadow: 0 24px 48px -38px var(--brand-shadow);
}

.post-preview .post-title,
.intro-header .page-heading h1,
.intro-header .post-heading h1 {
  color: #101419;
}

.post-preview .post-entry,
.main-explain-area,
.caption {
  color: var(--brand-text-soft);
}

.blog-tags a:hover {
  background-color: rgba(111, 141, 168, 0.16);
  color: var(--brand-accent-strong);
}

.pager li a:hover,
.pager li a:focus,
.disqus-comments button:hover,
.disqus-comments button:focus {
  background: var(--brand-accent-strong);
  border-color: var(--brand-accent-strong);
  color: #ffffff;
}

table tr {
  background-color: rgba(255, 255, 255, 0.88);
}

table tr:nth-child(2n) {
  background-color: rgba(241, 246, 251, 0.96);
}

code,
.copyCodeButton {
  background-color: #eef4fa;
}

@media (prefers-color-scheme: dark) {
  html,
  body,
  .navbar-custom,
  footer,
  .pager li a,
  .disqus-comments button,
  table tr,
  table tr:nth-child(2n),
  .panel,
  .well,
  .list-group-item {
    background-color: initial;
    color: inherit;
  }

  body,
  .navbar-custom .navbar-brand,
  .navbar-custom .nav li a,
  .post-preview a,
  footer a,
  .pager li a {
    color: var(--brand-text);
  }

  .navbar-custom {
    border-bottom-color: var(--brand-line);
  }

  footer {
    border-top-color: var(--brand-line);
  }
}

.navbar-brand-with-logo {
  align-items: center;
  display: inline-flex;
  gap: 12px;
}

.navbar-brand-mark {
  display: block;
  height: 28px;
  width: auto;
}

@media only screen and (min-width: 768px) {
  .navbar-brand-mark {
    height: 34px;
  }
}

.footer-contact-grid {
  border-bottom: 1px solid var(--brand-line);
  margin-bottom: 24px;
  padding-bottom: 10px;
}

.footer-contact-col {
  margin-bottom: 20px;
}

.footer-title {
  color: var(--brand-accent-strong);
  font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 14px;
  letter-spacing: 1px;
  margin-bottom: 10px;
  text-transform: uppercase;
}

.footer-contact-text {
  color: var(--brand-text);
  line-height: 1.7;
  margin: 0;
}

.footer-contact-text a {
  color: var(--brand-text);
}

.contact-map-wrap {
  border: 1px solid var(--brand-line);
  border-radius: 20px;
  box-shadow: 0 24px 48px -38px var(--brand-shadow);
  margin-top: 18px;
  overflow: hidden;
}

.contact-map-frame {
  border: 0;
  display: block;
  height: 380px;
  width: 100%;
}

.catalogue-grid {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: 24px;
  margin-top: 32px;
}

.catalogue-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  text-decoration: none;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(29, 29, 31, 0.08);
  border-radius: 18px;
  box-shadow: 0 18px 40px rgba(29, 29, 31, 0.08);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.catalogue-card:hover,
.catalogue-card:focus {
  text-decoration: none;
  transform: translateY(-4px);
  box-shadow: 0 24px 48px rgba(29, 29, 31, 0.14);
  border-color: rgba(243, 155, 6, 0.3);
}

.catalogue-card-image {
  aspect-ratio: 4 / 5;
  background: linear-gradient(180deg, #ffffff, #f4f0e8);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.catalogue-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.catalogue-card-image-missing {
  color: var(--tl-stone);
  font-family: "Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.catalogue-card-body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px 18px 20px;
}

.catalogue-card-title {
  margin: 0;
  font-size: 20px;
  line-height: 1.25;
  color: var(--tl-ink);
}

.catalogue-card-link {
  font-family: "Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 1.1px;
  text-transform: uppercase;
  color: var(--tl-orange);
}

@media only screen and (min-width: 576px) {
  .catalogue-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media only screen and (min-width: 992px) {
  .catalogue-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media only screen and (min-width: 1200px) {
  .catalogue-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.intro-header {
  background:
    linear-gradient(135deg, rgba(26, 92, 170, 0.96), rgba(53, 124, 204, 0.92)),
    radial-gradient(circle at top right, rgba(255, 255, 255, 0.18), transparent 36%);
  color: #f4f8fd;
  box-shadow: 0 24px 48px -38px rgba(20, 55, 99, 0.55);
  padding-top: 10px;
  padding-bottom: 15px;
}

.intro-header.big-img,
.intro-header.no-img {
  background-color: #1f5fa8;
}

.intro-header .page-heading,
.intro-header .post-heading,
.intro-header .tags-heading,
.intro-header .categories-heading,
.intro-header .page-heading h1,
.intro-header .post-heading h1 {
  color: #ffffff;
}

.intro-header .page-heading .page-subheading,
.intro-header .post-heading .post-subheading,
.intro-header .post-heading .post-meta,
.intro-header .page-heading .page-meta,
.intro-header .tags-heading h1,
.intro-header .categories-heading h1,
.intro-header.small-img .page-heading,
.intro-header.small-img .post-heading {
  color: rgba(244, 248, 253, 0.88);
}